{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7CUDTEXKF336NLNBNG3JJNJKRN","short_pith_number":"pith:7CUDTEXK","canonical_record":{"source":{"id":"1811.04737","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T15:16:35Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"af24dfff8ce0af2832ba151fe37a67b4190744fa0cd47a1d09f8985e59f2d998","abstract_canon_sha256":"89af1457ff7e68c0b1fd50dffcd04bbba1b04f6de5ecd6b921a252bfffbc0660"},"schema_version":"1.0"},"canonical_sha256":"f8a83992ea2ef7e6ada169b694b52a8b5e87e7b04480a8f1f4bbb4ff188d4562","source":{"kind":"arxiv","id":"1811.04737","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04737","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04737v2","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04737","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"7CUDTEXKF336","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7CUDTEXKF336NLNB","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7CUDTEXK","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7CUDTEXKF336NLNBNG3JJNJKRN","target":"record","payload":{"canonical_record":{"source":{"id":"1811.04737","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T15:16:35Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"af24dfff8ce0af2832ba151fe37a67b4190744fa0cd47a1d09f8985e59f2d998","abstract_canon_sha256":"89af1457ff7e68c0b1fd50dffcd04bbba1b04f6de5ecd6b921a252bfffbc0660"},"schema_version":"1.0"},"canonical_sha256":"f8a83992ea2ef7e6ada169b694b52a8b5e87e7b04480a8f1f4bbb4ff188d4562","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:32.086075Z","signature_b64":"1wFnN7QkcJIOZtSAvGZec7F/e9a/pQXkG7nnXC4JxTO0bgoqZLVdR3PI4Krvof1qjcF9lKdb/2P01GXhM2rwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8a83992ea2ef7e6ada169b694b52a8b5e87e7b04480a8f1f4bbb4ff188d4562","last_reissued_at":"2026-05-17T23:39:32.085477Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:32.085477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.04737","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yIIISXIBdQ7GoVPTmgKmAYj9ljNfxy6qgU6GC8YWXzfrSe4LWPVCInuA0GhL2+J4QrHGRRlxFs4cQNdeqm1KAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:51:26.348586Z"},"content_sha256":"c0d9a8ba70b6eb35181f477f2b30cf3c6d7c8a92bd92063e08ed22add0aff913","schema_version":"1.0","event_id":"sha256:c0d9a8ba70b6eb35181f477f2b30cf3c6d7c8a92bd92063e08ed22add0aff913"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7CUDTEXKF336NLNBNG3JJNJKRN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino-based tools for nuclear verification and diplomacy in North Korea","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.soc-ph","authors_text":"Antonin Vacheret, Fumihiko Suekane, Giorgio Gratta, James Nikkel, James Wilhelmi, John Learned, Jonathon Coleman, Karsten Heeger, Kyohei Nakajima, Liang Zhan, Manfred Lindner, Mikhail Danilov, Patrick Huber, Rachel Carr, Seon-Hee Seo, Soo-Bong Kim, Takeo Kawasaki, Wei Wang, Yeongduk Kim, YuenKeung Hor","submitted_at":"2018-11-08T15:16:35Z","abstract_excerpt":"We present neutrino-based options for verifying that the nuclear reactors at North Korea's Yongbyon Nuclear Research Center are no longer operating or that they are operating in an agreed manner, precluding weapons production. Neutrino detectors may be a mutually agreeable complement to traditional verification protocols because they do not require access inside reactor buildings, could be installed collaboratively, and provide persistent and specific observations. At Yongbyon, neutrino detectors could passively verify reactor shutdowns or monitor power levels and plutonium contents, all from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04737","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86mPrUZhQMyNJ0tpSVkmuI3o0xUL7Q8AfOWrc6wCh1daO5aNMAYtqK7Xa+YsDUp20lzRWW0lwERji9uYeiWjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:51:26.348963Z"},"content_sha256":"34a116ffcb67c50e9f1ea8edb6ea202bf5063ac8c8c6c4989f69d1787058ba65","schema_version":"1.0","event_id":"sha256:34a116ffcb67c50e9f1ea8edb6ea202bf5063ac8c8c6c4989f69d1787058ba65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7CUDTEXKF336NLNBNG3JJNJKRN/bundle.json","state_url":"https://pith.science/pith/7CUDTEXKF336NLNBNG3JJNJKRN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7CUDTEXKF336NLNBNG3JJNJKRN/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-25T21:51:26Z","links":{"resolver":"https://pith.science/pith/7CUDTEXKF336NLNBNG3JJNJKRN","bundle":"https://pith.science/pith/7CUDTEXKF336NLNBNG3JJNJKRN/bundle.json","state":"https://pith.science/pith/7CUDTEXKF336NLNBNG3JJNJKRN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7CUDTEXKF336NLNBNG3JJNJKRN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7CUDTEXKF336NLNBNG3JJNJKRN","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"89af1457ff7e68c0b1fd50dffcd04bbba1b04f6de5ecd6b921a252bfffbc0660","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T15:16:35Z","title_canon_sha256":"af24dfff8ce0af2832ba151fe37a67b4190744fa0cd47a1d09f8985e59f2d998"},"schema_version":"1.0","source":{"id":"1811.04737","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04737","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04737v2","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04737","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"7CUDTEXKF336","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7CUDTEXKF336NLNB","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7CUDTEXK","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:34a116ffcb67c50e9f1ea8edb6ea202bf5063ac8c8c6c4989f69d1787058ba65","target":"graph","created_at":"2026-05-17T23:39:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present neutrino-based options for verifying that the nuclear reactors at North Korea's Yongbyon Nuclear Research Center are no longer operating or that they are operating in an agreed manner, precluding weapons production. Neutrino detectors may be a mutually agreeable complement to traditional verification protocols because they do not require access inside reactor buildings, could be installed collaboratively, and provide persistent and specific observations. At Yongbyon, neutrino detectors could passively verify reactor shutdowns or monitor power levels and plutonium contents, all from ","authors_text":"Antonin Vacheret, Fumihiko Suekane, Giorgio Gratta, James Nikkel, James Wilhelmi, John Learned, Jonathon Coleman, Karsten Heeger, Kyohei Nakajima, Liang Zhan, Manfred Lindner, Mikhail Danilov, Patrick Huber, Rachel Carr, Seon-Hee Seo, Soo-Bong Kim, Takeo Kawasaki, Wei Wang, Yeongduk Kim, YuenKeung Hor","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T15:16:35Z","title":"Neutrino-based tools for nuclear verification and diplomacy in North Korea"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04737","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c0d9a8ba70b6eb35181f477f2b30cf3c6d7c8a92bd92063e08ed22add0aff913","target":"record","created_at":"2026-05-17T23:39:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"89af1457ff7e68c0b1fd50dffcd04bbba1b04f6de5ecd6b921a252bfffbc0660","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T15:16:35Z","title_canon_sha256":"af24dfff8ce0af2832ba151fe37a67b4190744fa0cd47a1d09f8985e59f2d998"},"schema_version":"1.0","source":{"id":"1811.04737","kind":"arxiv","version":2}},"canonical_sha256":"f8a83992ea2ef7e6ada169b694b52a8b5e87e7b04480a8f1f4bbb4ff188d4562","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8a83992ea2ef7e6ada169b694b52a8b5e87e7b04480a8f1f4bbb4ff188d4562","first_computed_at":"2026-05-17T23:39:32.085477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:32.085477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1wFnN7QkcJIOZtSAvGZec7F/e9a/pQXkG7nnXC4JxTO0bgoqZLVdR3PI4Krvof1qjcF9lKdb/2P01GXhM2rwDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:32.086075Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.04737","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0d9a8ba70b6eb35181f477f2b30cf3c6d7c8a92bd92063e08ed22add0aff913","sha256:34a116ffcb67c50e9f1ea8edb6ea202bf5063ac8c8c6c4989f69d1787058ba65"],"state_sha256":"bdac160549d404ec3b3b92b0e260d18addd08d326538dd867f73e8ebcd8e98b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0hpviOEB5j5ZxcUCYbeDPYQceIOOKjh4bgwZvS3m1JYPe8ZHjXJJgNyB9gOab1e0DrGPFZdmq9tG8JhRkjU/Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:51:26.351833Z","bundle_sha256":"20965b89a9ca9e10cec072d35b8589636d884b1c410c7891dc5d26aff547d433"}}